linux-kernel - Re: [PATCH] Kconfig: add warning about permission of config file

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Date:	Tue, 24 May 2011 13:59:39 -0400
From:	Arnaud Lacombe <lacombar@...il.com>
To:	Hiromu Yakura <hiromu1996@...il.com>
Cc:	Michal Marek <mmarek@...e.cz>, linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org, zippel@...ux-m68k.org
Subject: Re: [PATCH] Kconfig: add warning about permission of config file

Hi,

On Tue, May 24, 2011 at 1:38 PM, Hiromu Yakura <hiromu1996@...il.com> wrote:
> On Tue, May 24, 2011, at 0:50, Arnaud Lacombe <lacombar@...il.com>
> wrote:
>> On Tue, May 24, 2011 at 11:01 AM, Michal Marek <mmarek@...e.cz> wrote:
>> > I see, qconf lacks a check for the return value of conf_write() in
>> > ConfigMainWindow::closeEvent(), gconf does check the return value, but only
>> > displays it in the bottom box of the main window instead of a message box.
>> > Neither of them return failure in the error case. These bugs should be
>> > indeed fixed.
>> >
>> agree.
>>
>> > But I don't like the directory permission check, it only
>> > handles one case, but does not handle permission on the .config file itself
>> > with KCONFIG_OVERWRITECONFIG=1, ENOSPC and so on.
>> >
>> seconded.
> I'm sorry for forgetting to handle a case which was set KCONFIG_OVERWRITECONFIG.
> So I rewrote the patch and attach it.
>
> Thanks for your advice.
>
> Signed-off-by: Hiromu Yakura <hiromu1996@...il.com>
>
Let me re-state: your patch does not handle all the case where
conf_write() may fails, and I do not think we want to preemptively
check for all errors open(2) may return.

 - Arnaud
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